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Finding the Fourth Proportional to 431,295.92, 595,190.80 and 250,115.42

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Solution

The fourth proportional to 431,295.92, 595,190.80 and 250,115.42 is: 345,160.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,295.92 : 595,190.80 = 250,115.42 : x
  2. Step 2: Convert to fraction form
    431,295.92/595,190.80 = 250,115.42/x
  3. Step 3: Cross multiply
    431,295.92x = 595,190.80 × 250,115.42
  4. Step 4: Simplify right side
    431,295.92x = 148,866,393,320.89
  5. Step 5: Solve for x
    x = 148,866,393,320.89/431,295.92
  6. Step 6: Final answer
    x = 345,160.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.